PC: CR SD-40 rear snowplow

Subject: PC: CR SD-40 rear snowplow

From: "Evan F. Ferrari - 4352050" <eferrari@xxxxxxxxxxxx>

Date: Wed, 4 Nov 1998 19:06:11 -0800 (PST)

Does anyone know which CR SD-40's have have the large snowplow on the rear
and why? Were these ones with the snowplow in any numbered series? Was
this for helper service?
Road numbers would be usfull if anyone knows.
Thanks in advance,
evan